Add a note about a potential PIC optimization.

[oota-llvm.git] / include / llvm / ADT / BitVector.h

diff --git a/include/llvm/ADT/BitVector.h b/include/llvm/ADT/BitVector.h
index fccb1c6e8abac0d921f009dce82ed5b204dba35f..a2f273df4a23ba1ae28c514acbe35d99aa44d835 100644 (file)
--- a/include/llvm/ADT/BitVector.h
+++ b/include/llvm/ADT/BitVector.h
@@ -17,7 +17,6 @@
 #include "llvm/Support/MathExtras.h"
 #include <algorithm>
 #include <cassert>
-#include <cstdlib>
 #include <cstring>
 
 namespace llvm {
@@ -65,7 +64,7 @@ public:
 
   /// BitVector default ctor - Creates an empty bitvector.
   BitVector() : Size(0), Capacity(0) {
-    Bits = NULL;
+    Bits = 0;
   }
 
   /// BitVector ctor - Creates a bitvector of specified number of bits. All
@@ -81,7 +80,7 @@ public:
   /// BitVector copy ctor.
   BitVector(const BitVector &RHS) : Size(RHS.size()) {
     if (Size == 0) {
-      Bits = NULL;
+      Bits = 0;
       Capacity = 0;
       return;
     }